D'Errico joined Paramount and Star Trek on 1 January 1998 as a set security officer. Before this, he worked as a security officer for several shopping malls in Southern California. He sold a story idea for an episode of Voyager's seventh season which was not realized. He is a big Star Trek: Deep Space Nine fan. His favorite character is Benjamin Sisko and his favorite episode is "In the Pale Moonlight" , followed by the Star Trek: The Next Generation episodes "The Measure Of A Man" , "The Drumhead" , and "The Pegasus" .